Report on the 9th International Workshop on Web Information and Data Management (WIDM 2007).

The article discusses the highlights of the 9th Association for Computing Machinery (ACM) International Workshop on Web Information and Data Management (WIDM) held in Lisbon, Portugal on November 9, 2007. It centers on how Web information can be extracted, stored, analyzed, and processed to provide useful knowledge to the end users for various advanced database applications. About 20 papers were accepted and were grouped in areas like, XML and Semi-Structured Data, Peer-to-Peer and System Design Issues, Personalization, and Knowledge Mining.